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The card replacement for subsequent payments by subscription (recurrent payments) can be initiated from the personal account in case when the card that was used in that subscription is expiring or has already expired. When you select "Change card" option from the context menu then new window is opened with a proposal to send the reference for card replacement to the payer.
Window for card change 1
Clicking the "Send" is sending the message containing the selected link, on to the E-mail address of the payer. Following this link the payer can add a new card for subsequent payments. The amount of 2 RUB will be blocked on the payer's card. It will be unlocked in the month depending on the bank's conditions.